@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
    --ink: #1c1e22;
    --ink-soft: #52565c;
    --paper: #faf9f7;
    --paper-raised: #ffffff;
    --line: #e6e3dd;
    --red: #dc191a;
    --red-dim: #f6d9d9;
    --green: #1a7a4c;
    --green-dim: #d8ece1;
    --amber: #a6650a;
    --amber-dim: #f3e3cd;
    --gray: #6b7280;
    --gray-dim: #e8e8e8;

    --font-body: 'Inter', -apple-system, sans-serif;
    --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* ---------- Top bar ---------- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 40px;
    background: var(--paper-raised);
    border-bottom: 1px solid var(--line);
}

.topbar__brand {
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -0.01em;
    text-decoration: none;
}

.topbar__brand .dot { color: var(--red); }
.topbar__brand small {
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 12px;
    color: var(--ink-soft);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.topbar__user {
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--ink-soft);
}

/* ---------- Layout shell ---------- */
.shell {
    max-width: 1180px;
    margin: 0 auto;
    padding: 40px 40px 80px;
}

.page-head {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 28px;
}

.page-head h1 {
    font-size: 26px;
    margin: 0;
    letter-spacing: -0.01em;
}

.page-head .count {
    font-family: var(--font-mono);
    color: var(--ink-soft);
    font-size: 15px;
}

/* ---------- Buttons / inputs ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: 1px solid var(--ink);
    background: var(--ink);
    color: #fff;
    padding: 10px 18px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 14px;
    border-radius: 3px;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 0.15s ease;
}
.btn:hover { opacity: 0.85; }

.btn--accent { background: var(--red); border-color: var(--red); }
.btn--ghost {
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--line);
}
.btn--ghost:hover { border-color: var(--ink); opacity: 1; }
.btn--sm { padding: 6px 12px; font-size: 12px; }
.btn--full { width: 100%; }

input[type="text"], input[type="password"], select, textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--line);
    border-radius: 3px;
    background: var(--paper-raised);
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--ink);
}
input:focus, select:focus, textarea:focus {
    outline: 2px solid var(--ink);
    outline-offset: -1px;
}
label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-soft);
    margin-bottom: 6px;
}

/* ---------- Filter bar ---------- */
.filter-bar {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto auto auto;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
}

.checkbox-field {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--ink-soft);
    white-space: nowrap;
}
.checkbox-field input { accent-color: var(--green); width: 15px; height: 15px; }

/* ---------- Session list (ticket-queue style) ---------- */
.queue {
    border: 1px solid var(--line);
    border-radius: 4px;
    background: var(--paper-raised);
    overflow: hidden;
}

.queue-row {
    display: grid;
    grid-template-columns: 2fr 1.4fr 1.2fr 0.6fr 1.3fr auto auto;
    align-items: center;
    gap: 16px;
    padding: 18px 20px 18px 16px;
    border-left: 4px solid var(--gray-dim);
    border-bottom: 1px solid var(--line);
    text-decoration: none;
    color: var(--ink);
}
.queue-row:last-child { border-bottom: none; }
.queue-row:hover { background: #f5f3ef; }

.queue-row--genuine { border-left-color: var(--green); }
.queue-row--spam { border-left-color: var(--gray); }
.queue-row--bot_issue { border-left-color: var(--red); }
.queue-row--follow_up { border-left-color: var(--amber); }
.queue-row--unreviewed { border-left-color: var(--gray-dim); }

.queue-head {
    display: grid;
    grid-template-columns: 2fr 1.4fr 1.2fr 0.6fr 1.3fr auto auto;
    gap: 16px;
    padding: 14px 20px 14px 20px;
    background: #f2f0eb;
    border-bottom: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-soft);
}

.cell-name { font-weight: 600; }
.cell-sub { font-size: 12px; color: var(--ink-soft); margin-top: 2px; }
.mono { font-family: var(--font-mono); font-size: 13px; }
.empty-state {
    padding: 60px 20px;
    text-align: center;
    color: var(--ink-soft);
    font-family: var(--font-mono);
    font-size: 14px;
}

/* ---------- Status badge ---------- */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}
.badge--genuine { background: var(--green-dim); color: var(--green); }
.badge--spam { background: var(--gray-dim); color: var(--gray); }
.badge--bot_issue { background: var(--red-dim); color: var(--red); }
.badge--follow_up { background: var(--amber-dim); color: var(--amber); }
.badge--unreviewed { background: var(--gray-dim); color: var(--ink-soft); }

/* WhatsApp-style unread message count */
.badge--unread {
    background: var(--green);
    color: #fff;
    border-radius: 999px;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    margin-right: 6px;
}

.status-cell {
    display: flex;
    align-items: center;
    gap: 6px;
}

.queue-row--unread .cell-name { color: var(--ink); font-weight: 700; }
.queue-row--unread { background: #fbfaf8; }

/* ---------- Session detail ---------- */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--ink-soft);
    text-decoration: none;
    margin-bottom: 24px;
}
.back-link:hover { color: var(--ink); }

.detail-grid {
    display: grid;
    grid-template-columns: 1.7fr 1fr;
    gap: 24px;
    align-items: start;
}

.panel {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: 4px;
    overflow: hidden;
}

.panel__head {
    padding: 16px 22px;
    border-bottom: 1px solid var(--line);
    border-left: 4px solid var(--ink);
}
.panel__head h2 { margin: 0 0 4px; font-size: 16px; }
.panel__head .mono { color: var(--ink-soft); }

.panel__body { padding: 22px; }

.transcript {
    max-height: 68vh;
    overflow-y: auto;
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.msg { display: flex; }
.msg--user { justify-content: flex-start; }
.msg--bot { justify-content: flex-end; }

.bubble {
    max-width: 72%;
    padding: 12px 16px;
    border-radius: 10px;
    line-height: 1.5;
    font-size: 14.5px;
}
.msg--user .bubble {
    background: #f0eee9;
    border: 1px solid var(--line);
    border-bottom-left-radius: 2px;
}
.msg--bot .bubble {
    background: var(--red);
    color: #fff;
    border-bottom-right-radius: 2px;
}
.bubble__role {
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.7;
    margin-bottom: 4px;
}
.bubble__time {
    font-family: var(--font-mono);
    font-size: 10.5px;
    opacity: 0.65;
    margin-top: 6px;
}

.field-row {
    display: flex;
    justify-content: space-between;
    padding: 9px 0;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
}
.field-row:last-child { border-bottom: none; }
.field-row dt { color: var(--ink-soft); font-weight: 500; }
.field-row dd { margin: 0; font-weight: 600; text-align: right; max-width: 60%; }

.review-form .field { margin-bottom: 16px; }
.review-meta {
    margin-top: 14px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--ink-soft);
}

.alert {
    background: var(--green-dim);
    color: var(--green);
    border: 1px solid var(--green);
    padding: 12px 16px;
    border-radius: 3px;
    font-size: 14px;
    margin-bottom: 20px;
}

.muted-note {
    color: var(--ink-soft);
    font-size: 14px;
    line-height: 1.6;
}

/* ---------- Login ---------- */
.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ink);
    background-image: radial-gradient(circle at 20% 20%, #2a2d33 0%, var(--ink) 60%);
}
.login-card {
    width: 380px;
    background: var(--paper-raised);
    border-radius: 6px;
    padding: 40px 36px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}
.login-card__brand {
    font-size: 13px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-soft);
    margin-bottom: 4px;
}
.login-card h1 {
    font-size: 22px;
    margin: 0 0 28px;
    letter-spacing: -0.01em;
}
.login-card .field { margin-bottom: 18px; }
.login-error {
    background: var(--red-dim);
    color: var(--red);
    border: 1px solid var(--red);
    padding: 10px 14px;
    border-radius: 3px;
    font-size: 13px;
    margin-bottom: 18px;
}

@media (max-width: 900px) {
    .shell { padding: 24px; }
    .filter-bar { grid-template-columns: 1fr; }
    .queue-head { display: none; }
    .queue-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }
    .detail-grid { grid-template-columns: 1fr; }
}
/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding: 16px 20px;
    background: #f2f0eb;
    border-top: 1px solid var(--line);
}
.pagination__summary {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--ink-soft);
}
.pagination__links {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.pagination__current {
    background: var(--ink);
    color: #fff;
    cursor: default;
}